It can be used for free and without any attribution, in any personal or commercial project. noUiSlider is a stable project that still receives a lot of feature requests. A lot of these are interesting ...

https://unpkg.com/simpleslider-js@1.9.0/dist/simpleSlider.min.js https://unpkg.com/simpleslider-js@1.9.0/dist/simpleSlider.min.css ...